Sciweavers

44 search results - page 5 / 9
» Anonymous Query Processing in Road Networks
Sort
View
SIGMOD
2009
ACM
198views Database» more  SIGMOD 2009»
14 years 6 months ago
Monitoring path nearest neighbor in road networks
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Jeffrey...
SIGMOD
2008
ACM
222views Database» more  SIGMOD 2008»
14 years 6 months ago
Tinycasper: a privacy-preserving aggregate location monitoring system in wireless sensor networks
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
Chi-Yin Chow, Mohamed F. Mokbel, Tian He
TMA
2012
Springer
254views Management» more  TMA 2012»
12 years 2 months ago
Steps towards the Extraction of Vehicular Mobility Patterns from 3G Signaling Data
Abstract. The signaling traffic of a cellular network is rich of information related to the movements of its devices across cell boundaries. Thus, passive monitoring of anonymized ...
Pierdomenico Fiadino, Danilo Valerio, Fabio Riccia...
ICDE
2007
IEEE
125views Database» more  ICDE 2007»
14 years 28 days ago
Privacy Protected Query Processing on Spatial Networks
With the proliferation of mobile devices (e.g., PDAs, cell phones, etc.), location-based services have become more and more popular in recent years. However, users have to reveal ...
Wei-Shinn Ku, Roger Zimmermann, Wen-Chih Peng, Sus...
IS
2008
13 years 6 months ago
Clustering spatial networks for aggregate query processing: A hypergraph approach
In spatial networks, clustering adjacent data to disk pages is highly likely to reduce the number of disk page accesses made by the aggregate network operations during query proce...
Engin Demir, Cevdet Aykanat, Berkant Barla Cambazo...